1. Protective film carrier (film): basic requirements: surface treatment (corona, on-line or off-line chemical treatment), surface cleanliness, number of square meters per unit, light transmittance, haze, heat shrinkage rate; high lig
PET film is widely used in food packaging because of its excellent physical and chemical properties, such as high strength, good transparency, non-toxicity, good barrier properties and excellent electrical insulation properties. Howev
Cause Analysis
The PET film is a polar electrically insulating material, which makes it impossible for charges generated by friction, shearing, etc. to be transported away, and accumulates on the surface to constitute static ele
1. Water treatment membrane, benefiting from energy saving and environmental protection
Under the relevant policies of total water resources control and water rights transfer, the sewage treatment industry will become the “creat
China is a major producer and consumer of television, computers and mobile phones worldwide. The downstream LCD TV and panel production capacity has been continuously transferred to China, which has led to the rapid development of the
